Dryer vent cleaning
Whole-home duct cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Guardsman Dryer Vent Cleaning in Pasadena: What to Know First
Hollis Air Duct Pasadena provides independent Guardsman dryer vent cleaning throughout Pasadena, typically completing most single-family home jobs in 90 minutes to two hours. The honest price posture is this: we write the quote before we touch the vent, and it doesn’t change at the door. If you own a Guardsman filtration unit and your dryer is taking longer than 45 minutes per load, the vent is the first place we’ll look.

This page is for Pasadena homeowners who own Guardsman products and want a dryer vent cleaning crew that actually understands how those units integrate with a home’s air system. If that’s you, call (626) 469-5477 and we’ll get you scheduled.
Key Takeaways:
- Guardsman dryer vents clog faster in Pasadena’s dry, dusty climate than in coastal air
- We clean the full vent run, not just the first three feet behind the dryer
- Written price before work starts, covered by our 365-Day Done Right Promise
- Independent Guardsman service provider – not manufacturer-authorized, but manufacturer-informed
How Guardsman Products Fail – and How We Fix Them
After a decade of cleaning dryer vents in Pasadena homes, we’ve seen the same failure patterns repeat on Guardsman installations. Here’s what we actually find in the field, and what we do about it:
- The Guardsman 4400-series lint trap gap. The 4400 series has a small gap between the removable lint screen frame and the housing. In Pasadena’s dry air, lint that should stay in the trap works its way through that gap and into the vent body itself. We clean the trap housing interior and the first vent elbow on every Guardsman job because that’s where we always find it.
- Plastic vent cap warping on Guardsman external terminations. Pasadena gets 290 days of sun a year. The stock plastic vent caps on Guardsman dryer terminations warp and crack from UV exposure, then stop sealing. We replace them with UV-stable metal caps and bird guards as a standard recommendation, not an add-on pitch.
- Long horizontal vent runs in older Pasadena laundry rooms. A lot of homes near the Rose Bowl and Bungalow Heaven have laundry rooms in the middle of the house, which means 15 to 25 foot horizontal vent runs. That’s two to three times what a dryer fan is rated to push through. On Guardsman dryers, which move a lot of air, that long run becomes a lint trap by default. We measure the run, check for sag, and if the run is too long or has too many elbows, we’ll tell you straight what it needs – including a vent reroute if that’s the real fix.
- White plastic flex hose from the big-box store. We see it on Guardsman installs all over Pasadena. It sags, it traps lint in the ridges, and it’s a fire hazard waiting to happen. We replace it with rigid metal duct, which is what Guardsman’s own installation guide recommends. The difference in airflow is immediate.
- Skipped cleanings on Guardsman self-cleaning claims. Some Guardsman dryer models market a self-cleaning lint feature. That feature helps the interior drum, not the vent pipe behind the wall. We’ve pulled compacted lint plugs from vents on “self-cleaning” units. The vent still needs a mechanical clean at least once a year, more if you dry pet hair or run more than five loads a week.
Styles & brands we work with




Our Guardsman Dryer Vent Cleaning Process
Here’s what a Guardsman dryer vent cleaning job actually looks like when we show up in Pasadena:
- 1
Call and schedule. A live person answers, 24/7. We ask about your dryer, your Guardsman model if you know it, and how long the dryer has been taking to finish a load.
- 2
Arrival and walkthrough. Uniformed, background-checked technician. We look at the dryer, the vent route, and the exterior termination before we quote anything.
- 3
Written price. The number is on paper before tools come out. It covers the full job, start to finish. It doesn’t move.
- 4
The clean. We disconnect the dryer, run a rotary brush system through the full vent run, and use a negative-air machine to catch what we knock loose. The tool rotation comes from Rotobrush and Nikro gear, the same brands commercial crews use. We clean the Guardsman lint trap housing, the interior vent body, and the full pipe to the exterior. Then we reattach, level the dryer, and run a test cycle.
- 5
Site left clean. We don’t leave lint on your laundry room floor. That’s the Garrison Code, and it’s not optional.
- 6
Guarantee in writing. The 365-Day Done Right Promise covers the work for a full year. If the vent clogs again inside 12 months, we come back free.
See the difference
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After
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After
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AfterWhat Guardsman Dryer Vent Cleaning Costs in Pasadena
We write real numbers because you should know what to expect before you call. For a standard single-dryer Pasadena home with a vent run under 15 feet, Guardsman dryer vent cleaning runs $139 to $199. That includes the full vent run, the lint trap housing, the exterior termination, and the test cycle.
What moves the price: longer vent runs (over 25 feet), second-story terminations requiring a taller ladder, bird guard installation, rigid metal duct replacement if we’re pulling out flex hose, and vent cap replacement if the plastic one is warped. A full job with a reroute or significant duct replacement can land $249 to $399, but you’ll see that number in writing before we start. If you’re on a two-story Pasadena home in Hastings Ranch or San Rafael, the roofline work is built into the quote, not sprung on you after.
Call (626) 469-5477 for an exact quote. Estimates are free, and the number won’t change at your door.
Why Pasadena Homeowners Call Hollis Air Duct Pasadena for Guardsman Work
Most of our Pasadena customers aren’t shopping for the cheapest bid. They’ve already been burned by a no-show or a price that jumped once the van pulled up. That’s why our pitch is simple: we show up inside the window, we put the price in writing before anything gets touched, and if the work isn’t done right, the 365-Day Done Right Promise says we come back at no charge. That includes a free second visit if the vent clogs again within a year. We don’t negotiate that. It’s written on every job.
We also work on Lennox, Trane, and Carrier systems, so if your Guardsman dryer vent is tied into a broader HVAC setup, we can look at the whole picture. Roy Castellanos grew up in East Los Angeles and has been cleaning duct systems in Pasadena for over a decade. He learned the mechanical side at Los Angeles Trade-Technical College, and he’s the one who set the standard for this crew: the duct work doesn’t lie, and neither do we.
FAQs
Every 12 months for a household running four to six loads a week, and every six months if you dry pet hair, run more than seven loads weekly, or have a long vent run. Pasadena’s dry air puts more particulate in the vent than humid climates do, so we see clogs form faster here than the manufacturer’s generic guidance suggests.
No. Dryer vent cleaning is a maintenance service, not a modification, and our process follows Guardsman’s own installation manual guidance on venting. We use rotary brush and negative-air equipment, we don’t drill into the unit, and we don’t alter the dryer’s internal components. Your warranty stays intact.
That’s usually a thermal sensor tripping because the vent is partially clogged and the dryer is overheating. Guardsman units are sensitive to backpressure. If your dryer shuts off after 20 or 30 minutes and the clothes are still damp, the vent is the first thing we check. Call us at (626) 469-5477 and we’ll diagnose it properly.
For vent caps and terminations, we use quality aftermarket parts that match or exceed the OEM spec – UV-stable metal caps, not the plastic ones that warp in Pasadena sun. For anything inside the Guardsman dryer cabinet, we recommend a Guardsman-authorized appliance technician. Our job is the vent path, and we stay in our lane.
Call us and a live person answers, day or night. We do our best to get you on the schedule within the week, sometimes sooner depending on where our Pasadena crews are already working. The quote is free and the arrival window is real. Call (626) 469-5477.
Written by Roy Castellanos, Owner, Hollis Air Duct Pasadena at Hollis Air Duct Pasadena, serving Pasadena and nearby areas.